1) windward wall
迎面墙
1.
In order to resolve the safty problem of windward wall spaUing off in deeper and deeper shaft driving soft rock roadway,the theory methods about mechanics of rock mass and materials mechanics and geologic mechanics are used to study its mechanism of spalling off and its optimial rockbolt arrangement scheme.
为了解决采深不断加大的软岩巷道掘进迎头片帮安全问题,运用岩体力学、材料力学、地质学理论方法研究了软岩巷道掘进迎头片帮机理和巷道掘进迎面墙锚杆布置优化方案。
2) face velocity
迎面风速
1.
Relationship of tube row number and face velocity in an evaporator for air conditioning unit and its application;
空调装置蒸发器管排数与迎面风速关系探析及应用
2.
The influence of face velocity,condensing temperature and contact thermo-resistance on the quantity of heat-exchanger and the influence of air resistance on face velocity were analyzed.
介绍了一种自控程度好、控制精度高的空调换热器综合实验台的研制过程,其中包括实验台各组成部分的功能以及各参数的设计范围;对不同涨头尺寸的冷凝器的性能进行了实验研究,并根据实验结果分析了迎面风速对换热量的影响、迎面风速对空气侧阻力的影响、冷凝温度对换热量的影响以及接触热阻对换热量的影响。
3) Windward area
迎风面积
1.
When a cylindrical fragment is in the air,it is discovered that windward area is stochastic,so the figure modulus of the cylindrical fragment is not single but variable in a range.
当圆柱形破片在空中飞散时,迎风面积随机变化,导致圆柱形破片的形状系数不再是单一的值,而是一个范围,因此必须对已有的圆柱形破片的形状系数进行修正,才能更准确的预测圆柱形破片在空中的速度衰减。
2.
The metrical equipment of typical fragment s average windward area was designed to measuring the fragment s area of cannonball.
典型破片迎风面积测量设备主要用于弹丸破片迎风面积的测量。
4) upstream face
迎水面
1.
The result shows that its impermeability depends on the position of the layer and its perfect performance can be achieved only when the layer was on the upstream face of underground construction.
试验结果表明,只有将其施作在迎水面时才能使其防水效能得到理想的发挥。
2.
The article compares different requirements of waterproofing materials for upstream face and downstream face for underground projects,analyses the particularity and requirements for selecting material for the downstream face waterprooing.
比较了地下工程背水面防水和迎水面防水对防水材料的不同要求,分析了背水面防水的特殊性以及选材要求。
5) frontal area
迎风面积
1.
Automotive frontal area is projected area of automobile driving direction,which is necessary parameter of measuring automotive air drag coefficient.
汽车迎风面积是指汽车在行驶方向的投影面积,汽车迎风面积是求汽车空气阻力系数的必需参数。
2.
The purpose and the principle of measuring frontal area of fragments are introduced.
对破片测量的作用及相关的理论进行了阐述，并对几种常用的破片平均迎风面积测量方法进行了介绍与分析，其中重点分析了一种新颖的破片平均迎风面积自动测量仪，它由照明系统、万向载物台、ＣＣＤ摄像机、控制和信号处理系统、图象处理与显示系统组成，集光、机、电、计算机等多种先进技术于一体，采用软、硬件相结合的方法，实现了对破片平均迎风面积的高精度、高速度的自动化测量。
补充资料：迎面
迎面 家具的正视面俗称“迎面”。或称“看面”。民间匠师在选料和工艺上十分重视它的视观效果。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条